TSI Supercool 25411 PAO 68 Synthetic Lubricant - 32 oz Premium synthetic universal compressor oil Non-hydroscopic, does not absorb moisture For car, truck, and agricultural A/C systems Compatible with all A/C lubricants Can be used with R134a, R12, R22, R401b, R401c, R404a, R404c, R407c, R409a, R409b, R413a, R500, R507a